BOTTLENECK PAIR · GAMING · 1440P HEADLINE
Intel Core i9-13900K + NVIDIA GeForce RTX 5090
// VERDICT · 1440P GAMING
Balanced. Neither part is meaningfully limiting the other.
Well-balanced for gaming at 1440p — both parts are within tolerance.
TL;DRThe Intel Core i9-13900K + NVIDIA GeForce RTX 5090 pairing is rated Grade S for 1440p gaming with a recommended 1200W PSU. Resolution-by-resolution: 1080p: balanced, 1440p: balanced, 4K: 0% GPU-bound. CPU and GPU bottleneck verdicts depend on resolution — a pairing that is CPU-bound at 1080p is often perfectly balanced at 4K because the GPU does more work per frame as pixel count increases.
GRADE
S
PSU MIN
1200W
CONFIDENCE
95%
Engine accuracy: 21.6% mean absolute error on measured FPS, see methodology.
// WHAT THIS PAIRING MEANS FOR YOUR GAMING
Plain-English breakdown.
The Intel Core i9-13900K + NVIDIA GeForce RTX 5090 pair is well-balanced at 1440p gaming. That story changes at other resolutions — see the breakdown below. As a build, it grades elite-tier (S).
Expect around 380 FPS in League of Legends and ~131 in the more demanding Baldur's Gate 3 — both at 1440p with high or ultra presets. Resolution matters more than most calculators show — the same parts give different verdicts at 1080p, 1440p, and 4K because GPU work scales with pixel count while CPU work is roughly fixed per frame.
Both parts pull their weight; the highest-leverage next upgrade is to a fully higher tier rather than swapping one side. Plan on at least a 1200W PSU — that includes headroom for transient spikes on the NVIDIA GeForce RTX 5090.
// HOW THE VERDICT CHANGES WITH RESOLUTION
The same pair gives a different answer at 1080p, 1440p, and 4K.
// 1080P GAMING
Balanced
CPU
100
GPU
99
// 1440P GAMING
Balanced
CPU
100
GPU
100
// 4K GAMING
0% GPU-bound
CPU
100
GPU
100
// PREDICTED FPS · 1440P
Expected frame rates in 10 popular games.
- League of Legends380EST. LOW
- Valorant380EST. LOW
- Counter-Strike 2327EST. LOW
- Fortnite275EST. LOW
- Baldur's Gate 3131EST. LOW
// RELATED PAIRS
Compare similar builds.
Other GPUs paired with the Intel Core i9-13900K
Other CPUs paired with the NVIDIA GeForce RTX 5090
// RUN A CUSTOM ANALYSIS
Want to swap in a different CPU, GPU, resolution, or use case? Open the PC bottleneck calculator to run any combination.
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